diff options
| -rw-r--r-- | src/gui/kernel/qcocoaview_mac.mm | 38 | ||||
| -rw-r--r-- | src/gui/kernel/qcocoaview_mac_p.h | 1 |
2 files changed, 36 insertions, 3 deletions
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm index 5c90e2e..1935531 100644 --- a/src/gui/kernel/qcocoaview_mac.mm +++ b/src/gui/kernel/qcocoaview_mac.mm @@ -269,6 +269,28 @@ static int qCocoaViewCount = 0; dropData = new QCocoaDropData(dropPasteboard); } +- (void)changeDraggingCursor:(NSDragOperation)newOperation +{ + static SEL action = nil; + static bool operationSupported = false; + if (action == nil) { + action = NSSelectorFromString(@"operationNotAllowedCursor"); + if ([NSCursor respondsToSelector:action]) { + operationSupported = true; + } + } + if (operationSupported) { + NSCursor *notAllowedCursor = [NSCursor performSelector:action]; + bool isNotAllowedCursor = ([NSCursor currentCursor] == notAllowedCursor); + if (newOperation == NSDragOperationNone && !isNotAllowedCursor) { + [notAllowedCursor push]; + } else if (newOperation != NSDragOperationNone && isNotAllowedCursor) { + [notAllowedCursor pop]; + } + + } +} + - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender { // NB: This function is called from QCoocaWindow/QCocoaPanel rather than directly @@ -300,6 +322,7 @@ static int qCocoaViewCount = 0; if (!qDEEvent.isAccepted()) { // widget is not interested in this drag, so ignore this drop data. [self removeDropData]; + [self changeDraggingCursor:NSDragOperationNone]; return NSDragOperationNone; } else { // save the mouse position, used by draggingExited handler. @@ -321,6 +344,7 @@ static int qCocoaViewCount = 0; nsActions = QT_PREPEND_NAMESPACE(qt_mac_mapDropAction)(qDMEvent.dropAction()); } QT_PREPEND_NAMESPACE(qt_mac_copy_answer_rect)(qDMEvent); + [self changeDraggingCursor:nsActions]; return nsActions; } } @@ -335,16 +359,21 @@ static int qCocoaViewCount = 0; if (dragEnterSequence != [sender draggingSequenceNumber]) [self draggingEntered:sender]; // drag enter event was rejected, so ignore the move event. - if (dropData == 0) + if (dropData == 0) { + [self changeDraggingCursor:NSDragOperationNone]; return NSDragOperationNone; + } // return last value, if we are still in the answerRect. NSPoint globalPoint = [[sender draggingDestinationWindow] convertBaseToScreen:windowPoint]; NSPoint localPoint = [self convertPoint:windowPoint fromView:nil]; NSDragOperation nsActions = [sender draggingSourceOperationMask]; QPoint posDrag(localPoint.x, localPoint.y); if (qt_mac_mouse_inside_answer_rect(posDrag) - && QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastOperation) == nsActions) - return QT_PREPEND_NAMESPACE(qt_mac_mapDropActions)(QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastAction)); + && QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastOperation) == nsActions) { + NSDragOperation operation = QT_PREPEND_NAMESPACE(qt_mac_mapDropActions)(QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastAction)); + [self changeDraggingCursor:operation]; + return operation; + } // send drag move event to the widget QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastOperation) = nsActions; Qt::DropActions qtAllowed = QT_PREPEND_NAMESPACE(qt_mac_mapNSDragOperations)(nsActions); @@ -373,6 +402,7 @@ static int qCocoaViewCount = 0; qDMEvent.setDropAction(Qt::IgnoreAction); } qt_mac_copy_answer_rect(qDMEvent); + [self changeDraggingCursor:operation]; return operation; } @@ -388,6 +418,8 @@ static int qCocoaViewCount = 0; QApplication::sendEvent(qwidget, &de); [self removeDropData]; } + [self changeDraggingCursor:NSDragOperationEvery]; + } - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender diff --git a/src/gui/kernel/qcocoaview_mac_p.h b/src/gui/kernel/qcocoaview_mac_p.h index 33aaa24..b6b63ca 100644 --- a/src/gui/kernel/qcocoaview_mac_p.h +++ b/src/gui/kernel/qcocoaview_mac_p.h @@ -106,6 +106,7 @@ Q_GUI_EXPORT - (void) qt_clearQWidget; - (BOOL)qt_leftButtonIsRightButton; - (void)qt_setLeftButtonIsRightButton:(BOOL)isSwapped; +- (void)changeDraggingCursor:(NSDragOperation)newOperation; + (DnDParams*)currentMouseEvent; @end |